/*
 * Copyright (c) 2007-2012, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 1999-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: Keywords.java,v 1.2.4.1 2005/09/14 19:46:01 jeffsuttor Exp $
 */
package com.sun.org.apache.xpath.internal.compiler;

import java.util.Hashtable;

/**
 * Table of strings to operation code lookups.
 * @xsl.usage internal
 */
public class Keywords {

    /** Table of keywords to opcode associations. */
    private static Hashtable m_keywords = new Hashtable();

    /** Table of axes names to opcode associations. */
    private static Hashtable m_axisnames = new Hashtable();

    /** Table of function name to function ID associations. */
    private static Hashtable m_nodetests = new Hashtable();

    /** Table of node type strings to opcode associations. */
    private static Hashtable m_nodetypes = new Hashtable();

    /** ancestor axes string. */
    private static final String FROM_ANCESTORS_STRING = "ancestor";

    /** ancestor-or-self axes string. */
    private static final String FROM_ANCESTORS_OR_SELF_STRING = "ancestor-or-self";

    /** attribute axes string. */
    private static final String FROM_ATTRIBUTES_STRING = "attribute";

    /** child axes string. */
    private static final String FROM_CHILDREN_STRING = "child";

    /** descendant-or-self axes string. */
    private static final String FROM_DESCENDANTS_STRING = "descendant";

    /** ancestor axes string. */
    private static final String FROM_DESCENDANTS_OR_SELF_STRING = "descendant-or-self";

    /** following axes string. */
    private static final String FROM_FOLLOWING_STRING = "following";

    /** following-sibling axes string. */
    private static final String FROM_FOLLOWING_SIBLINGS_STRING = "following-sibling";

    /** parent axes string. */
    private static final String FROM_PARENT_STRING = "parent";

    /** preceding axes string. */
    private static final String FROM_PRECEDING_STRING = "preceding";

    /** preceding-sibling axes string. */
    private static final String FROM_PRECEDING_SIBLINGS_STRING = "preceding-sibling";

    /** self axes string. */
    private static final String FROM_SELF_STRING = "self";

    /** namespace axes string. */
    private static final String FROM_NAMESPACE_STRING = "namespace";

    /** self axes abreviated string. */
    private static final String FROM_SELF_ABBREVIATED_STRING = ".";

    /** comment node test string. */
    private static final String NODETYPE_COMMENT_STRING = "comment";

    /** text node test string. */
    private static final String NODETYPE_TEXT_STRING = "text";

    /** processing-instruction node test string. */
    private static final String NODETYPE_PI_STRING = "processing-instruction";

    /** Any node test string. */
    private static final String NODETYPE_NODE_STRING = "node";

    /** Wildcard element string. */
    private static final String NODETYPE_ANYELEMENT_STRING = "*";

    /** current function string. */
    public static final String FUNC_CURRENT_STRING = "current";

    /** last function string. */
    public static final String FUNC_LAST_STRING = "last";

    /** position function string. */
    public static final String FUNC_POSITION_STRING = "position";

    /** count function string. */
    public static final String FUNC_COUNT_STRING = "count";

    /** id function string. */
    static final String FUNC_ID_STRING = "id";

    /** key function string (XSLT). */
    public static final String FUNC_KEY_STRING = "key";

    /** local-name function string. */
    public static final String FUNC_LOCAL_PART_STRING = "local-name";

    /** namespace-uri function string. */
    public static final String FUNC_NAMESPACE_STRING = "namespace-uri";

    /** name function string. */
    public static final String FUNC_NAME_STRING = "name";

    /** generate-id function string (XSLT). */
    public static final String FUNC_GENERATE_ID_STRING = "generate-id";

    /** not function string. */
    public static final String FUNC_NOT_STRING = "not";

    /** true function string. */
    public static final String FUNC_TRUE_STRING = "true";

    /** false function string. */
    public static final String FUNC_FALSE_STRING = "false";

    /** boolean function string. */
    public static final String FUNC_BOOLEAN_STRING = "boolean";

    /** lang function string. */
    public static final String FUNC_LANG_STRING = "lang";

    /** number function string. */
    public static final String FUNC_NUMBER_STRING = "number";

    /** floor function string. */
    public static final String FUNC_FLOOR_STRING = "floor";

    /** ceiling function string. */
    public static final String FUNC_CEILING_STRING = "ceiling";

    /** round function string. */
    public static final String FUNC_ROUND_STRING = "round";

    /** sum function string. */
    public static final String FUNC_SUM_STRING = "sum";

    /** string function string. */
    public static final String FUNC_STRING_STRING = "string";

    /** starts-with function string. */
    public static final String FUNC_STARTS_WITH_STRING = "starts-with";

    /** contains function string. */
    public static final String FUNC_CONTAINS_STRING = "contains";

    /** substring-before function string. */
    public static final String FUNC_SUBSTRING_BEFORE_STRING = "substring-before";

    /** substring-after function string. */
    public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after";

    /** normalize-space function string. */
    public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space";

    /** translate function string. */
    public static final String FUNC_TRANSLATE_STRING = "translate";

    /** concat function string. */
    public static final String FUNC_CONCAT_STRING = "concat";

    /** system-property function string. */
    public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property";

    /** function-available function string (XSLT). */
    public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING = "function-available";

    /** element-available function string (XSLT). */
    public static final String FUNC_EXT_ELEM_AVAILABLE_STRING = "element-available";

    /** substring function string. */
    public static final String FUNC_SUBSTRING_STRING = "substring";

    /** string-length function string. */
    public static final String FUNC_STRING_LENGTH_STRING = "string-length";

    /** unparsed-entity-uri function string (XSLT). */
    public static final String FUNC_UNPARSED_ENTITY_URI_STRING = "unparsed-entity-uri";

    // Proprietary, built in functions

    /** current function string (Proprietary). */
    public static final String FUNC_DOCLOCATION_STRING = "document-location";

    static {
        m_axisnames.put(FROM_ANCESTORS_STRING, new Integer(OpCodes.FROM_ANCESTORS));
        m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING, new Integer(OpCodes.FROM_ANCESTORS_OR_SELF));
        m_axisnames.put(FROM_ATTRIBUTES_STRING, new Integer(OpCodes.FROM_ATTRIBUTES));
        m_axisnames.put(FROM_CHILDREN_STRING, new Integer(OpCodes.FROM_CHILDREN));
        m_axisnames.put(FROM_DESCENDANTS_STRING, new Integer(OpCodes.FROM_DESCENDANTS));
        m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING, new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF));
        m_axisnames.put(FROM_FOLLOWING_STRING, new Integer(OpCodes.FROM_FOLLOWING));
        m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING, new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS));
        m_axisnames.put(FROM_PARENT_STRING, new Integer(OpCodes.FROM_PARENT));
        m_axisnames.put(FROM_PRECEDING_STRING, new Integer(OpCodes.FROM_PRECEDING));
        m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING, new Integer(OpCodes.FROM_PRECEDING_SIBLINGS));
        m_axisnames.put(FROM_SELF_STRING, new Integer(OpCodes.FROM_SELF));
        m_axisnames.put(FROM_NAMESPACE_STRING, new Integer(OpCodes.FROM_NAMESPACE));
        m_nodetypes.put(NODETYPE_COMMENT_STRING, new Integer(OpCodes.NODETYPE_COMMENT));
        m_nodetypes.put(NODETYPE_TEXT_STRING, new Integer(OpCodes.NODETYPE_TEXT));
        m_nodetypes.put(NODETYPE_PI_STRING, new Integer(OpCodes.NODETYPE_PI));
        m_nodetypes.put(NODETYPE_NODE_STRING, new Integer(OpCodes.NODETYPE_NODE));
        m_nodetypes.put(NODETYPE_ANYELEMENT_STRING, new Integer(OpCodes.NODETYPE_ANYELEMENT));
        m_keywords.put(FROM_SELF_ABBREVIATED_STRING, new Integer(OpCodes.FROM_SELF));
        m_keywords.put(FUNC_ID_STRING, new Integer(FunctionTable.FUNC_ID));
        m_keywords.put(FUNC_KEY_STRING, new Integer(FunctionTable.FUNC_KEY));

        m_nodetests.put(NODETYPE_COMMENT_STRING, new Integer(OpCodes.NODETYPE_COMMENT));
        m_nodetests.put(NODETYPE_TEXT_STRING, new Integer(OpCodes.NODETYPE_TEXT));
        m_nodetests.put(NODETYPE_PI_STRING, new Integer(OpCodes.NODETYPE_PI));
        m_nodetests.put(NODETYPE_NODE_STRING, new Integer(OpCodes.NODETYPE_NODE));
    }

    static Object getAxisName(String key) {
        return m_axisnames.get(key);
    }

    static Object lookupNodeTest(String key) {
        return m_nodetests.get(key);
    }

    static Object getKeyWord(String key) {
        return m_keywords.get(key);
    }

    static Object getNodeType(String key) {
        return m_nodetypes.get(key);
    }
}
